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An energy-based seismic response evaluation of simple structural systems with simulated ground motions
Date
2017-04-18
Author
Karim Zadeh Naghshineh, Shaghayegh
Askan Gündoğan, Ayşegül
Erberik, Murat Altuğ
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In recent years, there has been a strong interest on energy-based design and assessment methods for structural systems. The underlying research has been mostly performed using real ground motion records taken from existing earthquakes worldwide. Results may involve bias due to lack of homogeneity of the available ground motion dataset in terms of magnitudes, source to site distances or soil conditions. In this study,a large set of ground motion records are simulated within a parametric exercise to investigate the effect of different intensity measures on the energy-based response of simple SDOF structures. To generate simulated records, stochastic finite-fault methodology which is effective in simulating a wide range of frequencies including those that influence the built environment is used. The simulations are performed on active faults around Duzce city center located on the western segments of North Anatolian Fault zone in Turkey. The simulated records cover a wide range of moment magnitude, source-to-site distances and soil conditions. To assess the response statistics on SDOF models, time history analyses with simulated records are performed. Input energy, damping energy and hysteretic energy are considered as the main output parameters. The results of this study reveal that energy is a more stable parameter than the other response parameters such as displacement and force. However, it is important to dissipate the estimated input energy through damping and inelastic action. Finally, it is believed that conducting parametric seismic analysis based on simulated records yield realistic results since these records provide variability in seismic demand.
Subject Keywords
Energy-based response
,
Simulated ground motions
,
Stochastic finite-fault method
,
Time history analysis
,
Single-degree-of-freedom models
URI
https://www.seismosoc.org/wp-content/uploads/2018/09/srl-2017035.1.pdf
https://hdl.handle.net/11511/83241
http://www.tdmd.org.tr/TR/Genel/4UDMSK/pdf2017/2843.pdf
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Department of Civil Engineering, Conference / Seminar
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An energy-based seismic response evaluation of simple structural systems with simulated ground motions
Karimzadeh, Shaghayegh; Ozsarac, V.; Askan, A.; Erberik, Murat Altuğ (Earthquake Engineering Research Institute; 2018-01-01)
In recent years, there has been a strong interest on energy-based design and assessment methods for structural systems. The underlying research has been mostly performed using real ground motion records taken from existing earthquakes worldwide. Results may involve bias due to lack of homogeneity of the available ground motion dataset in terms of magnitudes, source to site distances or soil conditions. In this study a large set of ground motion records is simulated within a parametric exercise to investigat...
Energy-based response of simple structural systems by using simulated ground motions
Ozsarac, Volkan; Karim Zadeh Naghshineh, Shaghayegh; Erberik, Murat Altuğ; Askan Gündoğan, Ayşegül (Elsevier BV; 2017-09-13)
For the last two decades, there has been a growing and remarkable attention on the energy-based design and assessment approaches for structural systems. These approaches have also been implemented to some of the national seismic design codes as alternative methods in addition to the traditional force-based design methodology. The underlying research has been often carried out by using actual ground motion records taken from many different earthquakes all over the world. However, such an attempt impairs the ...
EVALUATION OF SEISMIC ENERGY IN SIMPLE STRUCTURAL SYSTEMS USING SIMULATED GROUND MOTIONS
Karım Zadeh Naghshıneh, Shaghayegh; Ozsarac, Volkan; Askan Gündoğan, Ayşegül; Erberik, Murat Altuğ (null; 2018-06-25)
In recent years, there has been a strong interest on energy-based design and assessment methods for structural systems. The underlying research has been mostly performed using real ground motion records taken from existing earthquakes worldwide. Results may involve bias due to lack of homogeneity of the available ground motion dataset in terms of magnitudes, source to site distances or soil conditions. In this study a large set of ground motion records is simulated within a parametric exercise to investigat...
Assessment of Simulated Ground Motions for Their Use in Structural Engineering Practice; A Case Study for Duzce (Turkey)
Karim Zadeh Naghshineh, Shaghayegh; Askan Gündoğan, Ayşegül; Yakut, Ahmet (2017-12-01)
Simulated ground motions can be used in structural and earthquake engineering practice as an alternative to or to augment the real ground motion data sets. Common engineering applications of simulated motions are linear and nonlinear time history analyses of building structures, where full acceleration records are necessary. Before using simulated ground motions in such applications, it is important to assess those in terms of their frequency and amplitude content as well as their match with the correspondi...
Assessment of Simulated Ground Motions in Earthquake Engineering Practice: A Case Study for Duzce (Turkey)
Karim Zadeh Naghshineh, Shaghayegh; Askan Gündoğan, Ayşegül; Yakut, Ahmet (2015-11-20)
Simulated ground motions can be used in structural and earthquake engineering practice as an alternative to or to augment the real ground motion data sets. Common engineering applications of simulated motions are linear and nonlinear time history analyses of building structures, where full acceleration records are necessary. Before using simulated ground motions in such applications, it is important to assess those in terms of their frequency and amplitude content as well as their match with the correspondi...
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S. Karim Zadeh Naghshineh, A. Askan Gündoğan, and M. A. Erberik, “An energy-based seismic response evaluation of simple structural systems with simulated ground motions,” 2017, Accessed: 00, 2021. [Online]. Available: https://www.seismosoc.org/wp-content/uploads/2018/09/srl-2017035.1.pdf.
